31351760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1$

素因数の和:1596

約数の個数: 80

約数和(自身を含む): 83030400

約数和(自身を除く): 51678640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1549, 1840, 2024, 2530, 3098, 4048, 5060, 6196, 7745, 10120, 12392, 15490, 17039, 20240, 24784, 30980, 34078, 35627, 61960, 68156, 71254, 85195, 123920, 136312, 142508, 170390, 178135, 272624, 285016, 340780, 356270, 391897, 570032, 681560, 712540, 783794, 1363120, 1425080, 1567588, 1959485, 2850160, 3135176, 3918970, 6270352, 7837940, 15675880, 31351760]

約数ペア:

[(1, 31351760), (2, 15675880), (4, 7837940), (5, 6270352), (8, 3918970), (10, 3135176), (11, 2850160), (16, 1959485), (20, 1567588), (22, 1425080), (23, 1363120), (40, 783794), (44, 712540), (46, 681560), (55, 570032), (80, 391897), (88, 356270), (92, 340780), (110, 285016), (115, 272624), (176, 178135), (184, 170390), (220, 142508), (230, 136312), (253, 123920), (368, 85195), (440, 71254), (460, 68156), (506, 61960), (880, 35627), (920, 34078), (1012, 30980), (1265, 24784), (1549, 20240), (1840, 17039), (2024, 15490), (2530, 12392), (3098, 10120), (4048, 7745), (5060, 6196)]